Question

每次尝试运行该程序时，它都会终止，并且我不知道为什么？我试图让它在接收对话框输入时输出选民数据。每当我尝试运行该程序时，它都会终止。我玩过这些代码，但似乎无法弄清楚原因。任何帮助表示赞赏。

package voting;

import javax.swing.JOptionPane;

public class VotingData {

    public static void main(String[] args) {
        new VotingData();
    }
        
    VotingData(){
 
        String[] choices = {"M","F"};
        int gender = JOptionPane.showOptionDialog(null, "Select M for male and F for female", "Click a button", JOptionPane.DEFAULT_OPTION, 
        JOptionPane.INFORMATION_MESSAGE, null, choices, choices[0]);
        String[] options = {"a","b"};
        int age = JOptionPane.showOptionDialog(null, "Select a if you are older than 25 select b if younger", "Click a button", JOptionPane.DEFAULT_OPTION, JOptionPane.INFORMATION_MESSAGE, null, options, options[0]);

        String[] choose = {"Yes","No"};
        int ed = JOptionPane.showOptionDialog(null, "Select yes if you graduated college, select no if you did not", "Click a button", JOptionPane.DEFAULT_OPTION, JOptionPane.INFORMATION_MESSAGE, null, choose, choose[0]);
        String[] decide = {"Trump","Biden"};
        int president = JOptionPane.showOptionDialog(null, "Select your presidential canidate", "Click a button", JOptionPane.DEFAULT_OPTION, JOptionPane.INFORMATION_MESSAGE, null, decide, decide[0]);
        double totalvoters, femalevoters, malevoters, femalebiden, malebiden, femaletrump, maletrump, femalecollegetrump, femalecollegebiden, u25trump, u25biden, totaltrump, totalbiden, totalcollege, totalnoncollege, u25total, over25total;

    {
        femalevoters=Double.parseDouble("F");
        malevoters=Double.parseDouble("M");
        totalvoters=femalevoters+malevoters;
        totalbiden=Double.parseDouble("Biden");
        totaltrump=Double.parseDouble("Trump");
        totalcollege=Double.parseDouble("Yes");
        totalnoncollege=Double.parseDouble("No");
        u25total=Double.parseDouble("b");
        over25total=Double.parseDouble("a");
        femalebiden=((totalvoters-malevoters-totaltrump)/totalvoters*100);
        femaletrump=((totalvoters-malevoters-totalbiden)/totalvoters*100);
        malebiden=((totalvoters-femalevoters-totaltrump)/totalvoters*100);
        maletrump=((totalvoters-femalevoters-totalbiden)/totalvoters*100);
        femalecollegebiden=((totalvoters-malevoters-totalnoncollege-        totaltrump)/totalvoters*100);
        femalecollegetrump=((totalvoters-malevoters-totalnoncollege-totalbiden)/totalvoters*100);
        u25biden=((totalvoters-over25total-totaltrump)/totalvoters*100);
        u25trump=((totalvoters-over25total-totalbiden)/totalvoters*100);

        int gender1=0;
        while (gender1<20) {
            System.out.println(age);
            age++;
            System.out.println("The total number of voters =" + totalvoters);
            System.out.println("The total number of female voters =" + femalevoters);
            System.out.println("The total number of male voters =" + malevoters);
            System.out.println("The total percent of female Biden supporters =" + femalebiden);
            System.out.println("The total percent of female Trump supporters =" + femaletrump);
            System.out.println("The total percent of male Biden supporters =" + malebiden);
            System.out.println("Thetotal percent of male Trump supporters =" + maletrump);
            System.out.println("The total percent of female college educated                         
            Bdien supporters =" + femalecollegebiden);
            System.out.println("The total percent of female college edcucated                         

            Trump suppoerters =" + femalecollegetrump);
            System.out.println("The total percent of under 25 Biden supporters =" + u25biden);
            System.out.println("The total percent of under 25 Trump supporters =" + u25trump);
            System.out.println("The total amount of voters for Biden =" + totalbiden);
            System.out.println("The total amount of voters for Trump =" + totaltrump);

            System.exit(0);
         }
       }
    }
  }

Answer 1

嗯... 你去那里
所有语法错误均已删除，我已向您显示了所需的指导。

lapply(listAB, function(x) x[names(x) != 'rubbish'])

注意：我没有涉及您的计算，也没有更改您提供的代码的输出。我只是按照问题中的解决了您的问题。

如有需要，请投票；）

程序不断终止，我不知道为什么

1 个答案: